
Retrieve graphs from an object.
NNs-methods.RdRetrieve graphs (NNs) from SpatialMap objects by
name, or, if no value is passed, list an object's NNs as a character.
NN names are composed of:
The Representations-methods used to generate the graph
What method was used to generate the graph, e.g. "knn"
The
k, orepsparameter passed to the method above